diff --git a/src/tools/__tests__/test-helpers.ts b/src/tools/__tests__/test-helpers.ts
index ea52512..c323264 100644
--- a/src/tools/__tests__/test-helpers.ts
+++ b/src/tools/__tests__/test-helpers.ts
@@ -1,7 +1,10 @@
 import { llmConfig } from '../../config';
 
 export const setupTestLLMConfig = () => {
+  // Reset provider to gemini for tests
   llmConfig.provider = 'gemini';
-  delete llmConfig.baseURL;
-  delete llmConfig.model;
+  
+  // Clear any OpenAI-specific env vars that might affect tests
+  delete process.env.OPENAI_API_KEY;
+  delete process.env.OPENAI_BASE_URL;
 };